Symantec Shelf NetBackup 5220, Руководство по безопасности, Страница: 24 / 64

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Power and electrical warnings

The power button, indicated by the stand-by power marking, DOES NOT
completely turn off the system AC power, 5V standby power is active whenever
the system is plugged in.
 To remove power from system, you must unplug the AC power cord from the
wall outlet.

Your system may use more than one AC power cord. Make sure all AC power
cords are unplugged. Make sure the AC power cord(s) is/are unplugged before
you open the chassis, or add or remove any non hot-plug components.
 Do not attempt to modify or use an AC power cord if it is not the exact type
required. A separate AC cord is required for each system power supply.

Some power supplies use Neutral Pole Fusing. To avoid risk of shock use
caution when working with power supplies that use Neutral Pole Fusing.
 The power supply in this product contains no user-serviceable parts. Do not
open the power supply. Hazardous voltage, current and energy levels are
present inside the power supply. Return to manufacturer for servicing.

When replacing a hot-plug power supply, unplug the power cord to the power
supply being replaced before removing it from the server.
 To avoid risk of electric shock, turn off the server and disconnect the power
cord, telecommunications systems, networks, and modems attached to the
server before opening it.
Power cord usage
If an AC power cord was not provided with your product, purchase one that is
approved for use in your country.
To avoid electrical shock or fire, check the power cords to be used with the product
as follows:
 Do not attempt to modify or use the AC power cord(s) if they are not the exact
type required to fit into the grounded electrical outlets.
 The power cord must have an electrical rating that is greater than that of the
electrical current rating marked on the product.
 The power cord must have a safety ground pin or contact that is suitable for the
electrical outlet.
 The power supply cord(s) is/are the main disconnect device to AC power. The
sockets or outlets must be near the equipment and readily accessible for
disconnection.